Home / 7,772.05-10,725.21-4,235.29

Finding the Fourth Proportional to 7,772.05, 10,725.21 and 4,235.29

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Solution

The fourth proportional to 7,772.05, 10,725.21 and 4,235.29 is: 5,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.05 : 10,725.21 = 4,235.29 : x
  2. Step 2: Convert to fraction form
    7,772.05/10,725.21 = 4,235.29/x
  3. Step 3: Cross multiply
    7,772.05x = 10,725.21 × 4,235.29
  4. Step 4: Simplify right side
    7,772.05x = 45,424,374.66
  5. Step 5: Solve for x
    x = 45,424,374.66/7,772.05
  6. Step 6: Final answer
    x = 5,844.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.